I didn't notice the shadows.
According to the glasses the light should be from just above and slightly to the viewer's left.
According to the book the light again should be just above and slightly to the left.
According to the hourglass the light again should be just above and slightly away from the viewer.
So no, the shadow cast by the candlestick doesn't look quite right, it should be pointing down a bit rather than just going off to the right and the base should be creating a bit of a shadow.
According to the glasses the light should be from just above and slightly to the viewer's left.
According to the book the light again should be just above and slightly to the left.
According to the hourglass the light again should be just above and slightly away from the viewer.
So no, the shadow cast by the candlestick doesn't look quite right, it should be pointing down a bit rather than just going off to the right and the base should be creating a bit of a shadow.